A radioactive isotope having `t_(1/.2)=2.3` days was received after 9.2 days . It was found that 300 mg of the isotope was left in the container. The initial amount of the isotope was

A radioactive isotope having a half life of 2.3 days was received after 9.2 days. It was found that there were 300mg of the isotope in the container. The initial amount of the isotope was

A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The initial weight of the isotope when packed was

A radio active isotope having a half life of 3 days was received after 9 days. It was found that there was only 4 gms of the isotope in the container. The initial weight of the isotope when packed was

A radioactive isotope having t_(1//2) =3 days was read after 12 days . If 3 g of the isotope is now left in the container, the initial weight of isotope was

A radioisotope having a half life of 3 days was received after 12 days. It was found there were 3 g of the isotope in the container. The initial weight of the isotope when packed was

A radioactive substance having a half life period of 3 days was received after 12 days. It was found that there was 3 g of the isotope in the container. The initial weight of the isotope when placed was :